One of the first projects that most people do on an Arduino is to light up or flash an LED. It seems ultra-simple because it ...

In this article I will add some simple Arduino LED projects starting with basic ones like how to turn on an LED, blinking, and more. Every step will have the code, the schematic, photos of the project ...

We know that LED is a two terminal semiconductor device. It is used in most of the electronic circuits as a sign or visual representation to the normal human to know that circuit is working properly.

[Patrick] was prepping for some future projects he had in mind, for which he will need a simple 2D array of addressable LEDs. While it is certainly possible for him to build his own LED array and ...

Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer.

There are plenty of cheap projection clocks available, but as [Thomas Pototschnig] points out in this project, where’s the fun in just buying something? He set out to build a cheap projection clock ...

An Energy Star certified fan is 60 percent more efficient than a standard model. Install and use one this summer while raising your thermostat by two degrees. It could lower cooling costs by 14 ...

Trying to liven up your ghosts and goblins this Halloween? Windell Oskay, cofounder of Mad Evil Scientist, shares homemade hack ideas for a festive fright fest, from LED jack-o'-lanterns, to 3D ...